Filter Unit For Filtering Gaseous Fluids

Patent No. EP2313637 (titled "Filter Unit For Filtering Gaseous Fluids") was filed by Mannhummel on Jun 10, 2009. The application was issued on Aug 20, 2025.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
MAHLE	Nov 19, 2018	BRP RENAUD & PARTNER MBB RECHTSANWALTE PATENTANWALTE STEUERBERATER

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Jul 24, 2025
Decision to maintain the European patent in amended form
Jul 24, 2025
Decision to maintain the European patent in amended form
Jul 14, 2025
(Electronic) Receipt
Jul 14, 2025
English translation of the claims
Jul 14, 2025
French translation of claims
Jul 14, 2025
Letter accompanying subsequently filed items
May 12, 2025
Communication of bibliographic data
May 12, 2025
Communication to opponent concerning maintenance
May 12, 2025
Communication with request to file translations
May 7, 2025
Maintenance of the patent with the documents specified in the final decision
Feb 12, 2025
Decision of the Opposition Division and instruction
Feb 12, 2025
Druckexemplar in opposition procedure
Feb 12, 2025
Grounds for the decision (Annex) - opposition
Feb 12, 2025
Interlocutory decision in opposition proceedings
Feb 12, 2025
Interlocutory decision in opposition proceedings
Feb 12, 2025
Means of redress
Feb 12, 2025
Scanned annex to a communication - opposition procedure
Dec 6, 2024
(Electronic) Receipt
Dec 6, 2024
Letter accompanying subsequently filed items
Dec 6, 2024
Reply to an examination report in opposition proceedings
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Communication inviting the parties to file observations
Nov 4, 2024
Communication inviting the parties to file observations
Oct 24, 2024
Brief communication - Opposition proceedings
Sep 16, 2024
(Electronic) Receipt
Sep 16, 2024
Amended description with annotations
Sep 16, 2024
Clean copy of description pages in the opposition procedure
Sep 16, 2024
Reply to an examination report in opposition proceedings
Sep 12, 2024
Annex to the communication - opposition
Sep 12, 2024
Brief communication - Opposition proceedings
Sep 12, 2024
Brief communication - Opposition proceedings
Sep 12, 2024
Communication inviting the parties to file observations
Sep 12, 2024
Communication inviting the parties to file observations
Jul 22, 2024
Decision of the Board of Appeal
Jul 22, 2024
F3032 Notification(s) of the decision
Jul 22, 2024
F3032 Notification(s) of the decision
Jun 28, 2024
F3013 Oral Proceedings: Forwarding minutes
Jun 28, 2024
F3013 Oral Proceedings: Forwarding minutes
Jun 28, 2024
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
May 17, 2024
F3345 Forwarding of submissions to parties
May 13, 2024
(Electronic) Receipt
May 13, 2024
Letter accompanying subsequently filed items
May 13, 2024
Letter dealing with oral proceedings during the appeal procedure
Apr 29, 2024
F3345 Forwarding of submissions to parties
Apr 24, 2024
(Electronic) Receipt
Apr 24, 2024
Letter accompanying subsequently filed items
Apr 24, 2024
Request for interpreters during oral proceedings
Feb 22, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 22, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 7, 2023
F3011.2 Oral Proceedings: Summons VICO
Jul 7, 2023
F3011.2 Oral Proceedings: Summons VICO
Jul 4, 2023
F3010 Oral proceedings: order for summons
Sep 8, 2022
F3345 Forwarding of submissions to parties
Sep 5, 2022
(Electronic) Receipt
Sep 5, 2022
Letter accompanying subsequently filed items
Sep 5, 2022
Reply to appeal
Aug 23, 2022
F3345 Forwarding of submissions to parties
Aug 18, 2022
(Electronic) Receipt
Aug 18, 2022
Letter accompanying subsequently filed items
Aug 18, 2022
Reply to appeal
May 5, 2022
Composition of the board (T)
Apr 29, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 29, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 25, 2022
(Electronic) Receipt
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Amended claims with annotations
Apr 25, 2022
Auxiliary request during appeals procedure - 01
Apr 25, 2022
Auxiliary request during appeals procedure - 02
Apr 25, 2022
Auxiliary request during appeals procedure - 03
Apr 25, 2022
Auxiliary request during appeals procedure - 04
Apr 25, 2022
Auxiliary request during appeals procedure - 05
Apr 25, 2022
Auxiliary request during appeals procedure - 06
Apr 25, 2022
Auxiliary request during appeals procedure - 07
Apr 25, 2022
Auxiliary request during appeals procedure - 08
Apr 25, 2022
Auxiliary request during appeals procedure - 09
Apr 25, 2022
Auxiliary request during appeals procedure - 10
Apr 25, 2022
Letter accompanying subsequently filed items
Apr 25, 2022
Statement of grounds of appeal
Apr 12, 2022
(Electronic) Receipt
Apr 12, 2022
Citation in appeal procedure - 011
Apr 12, 2022
Letter accompanying subsequently filed items
Apr 12, 2022
Statement of grounds of appeal
Feb 22, 2022
F3204 Communication of the file number to the parties
Feb 22, 2022
F3204 Communication of the file number to the parties
Feb 16, 2022
(Electronic) Receipt
Feb 16, 2022
Letter accompanying subsequently filed items
Feb 16, 2022
Notice of appeal
Jan 31, 2022
F3204 Communication of the file number to the parties
Jan 31, 2022
F3204 Communication of the file number to the parties
Jan 26, 2022
(Electronic) Receipt
Jan 26, 2022
Letter accompanying subsequently filed items
Jan 26, 2022
Notice of appeal
Dec 20, 2021
Advice of delivery
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Advice of delivery
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Annex to the communication - opposition
Dec 14, 2021
Decision of the Opposition Division and instruction
Dec 14, 2021
Druckexemplar in opposition procedure
Dec 14, 2021
Grounds for the decision (Annex) - opposition
Dec 14, 2021
Interlocutory decision in opposition proceedings
Dec 14, 2021
Interlocutory decision in opposition proceedings
Dec 14, 2021
Means of redress
Dec 14, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 14, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 14, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 14, 2021
Provision of a copy of the minutes - opposition procedure
Dec 14, 2021
Provision of a copy of the minutes - opposition procedure
Dec 14, 2021
Scanned annex to a communication - opposition procedure
Dec 14, 2021
Scanned annex to a communication - opposition procedure
Dec 14, 2021
Transmittal of decision / summons - opposition
Dec 14, 2021
Transmittal of decision / summons - opposition
Oct 14, 2021
Information about the result of oral proceedings
Sep 28, 2021
Brief communication - Opposition proceedings
Sep 24, 2021
Authorisation
Sep 22, 2021
Any annexes (other than citation) to an opposition letter
Sep 22, 2021
Written submission in preparation to/during oral proceedings
Aug 18, 2021
Brief communication - Opposition proceedings
Aug 12, 2021
(Electronic) Receipt
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure
Aug 12, 2021
Auxiliary request during Opposition procedure - 11
Aug 12, 2021
Auxiliary request during Opposition procedure - 12
Aug 12, 2021
Auxiliary request during Opposition procedure - 13
Aug 12, 2021
Auxiliary request during Opposition procedure - 14
Aug 12, 2021
Auxiliary request during Opposition procedure - 15
Aug 12, 2021
Auxiliary request during Opposition procedure - 16
Aug 12, 2021
Auxiliary request during Opposition procedure - 17
Aug 12, 2021
Auxiliary request during Opposition procedure - 18
Aug 12, 2021
Letter accompanying subsequently filed items
Aug 12, 2021
Letter regarding the opposition procedure (no time limit)
Aug 6, 2021
Brief communication - Opposition proceedings
Aug 6, 2021
Brief communication - Opposition proceedings
Aug 4, 2021
Brief communication - Opposition proceedings
Aug 2, 2021
Letter regarding the opposition procedure (no time limit)
Jul 30, 2021
(Electronic) Receipt
Jul 30, 2021
Letter accompanying subsequently filed items
Jul 30, 2021
Letter regarding the opposition procedure (no time limit)
Jun 16, 2021
Notification concerning the date of oral proceedings
Jun 16, 2021
Notification concerning the date of oral proceedings
Apr 20, 2021
Communication of the registration of a transfer or change of name and/or address
Oct 26, 2020
(Electronic) Receipt
Oct 26, 2020
Advice of delivery
Oct 26, 2020
Letter accompanying subsequently filed items
Oct 23, 2020
Advice of delivery
Oct 21, 2020
Annex to the communication - opposition
Oct 21, 2020
Summons to attend oral proceedings
Oct 21, 2020
Summons to attend oral proceedings
Aug 17, 2020
Brief communication - Opposition proceedings
Aug 13, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Oral proceedings: reply to date proposed
Aug 12, 2020
Oral proceedings: reply to date proposed
Jul 20, 2020
Brief communication - Opposition proceedings
Jul 20, 2020
Brief communication - Opposition proceedings
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Claims
Jul 16, 2020
Non-scannable object
Jul 16, 2020
Non-scannable object
Jul 16, 2020
Written submission in preparation to/during oral proceedings
Jul 15, 2020
(Electronic) Receipt
Jul 15, 2020
(Electronic) Receipt
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure
Jul 15, 2020
Auxiliary request during Opposition procedure - 03
Jul 15, 2020
Auxiliary request during Opposition procedure - 04
Jul 15, 2020
Auxiliary request during Opposition procedure - 05
Jul 15, 2020
Auxiliary request during Opposition procedure - 06
Jul 15, 2020
Auxiliary request during Opposition procedure - 07
Jul 15, 2020
Auxiliary request during Opposition procedure - 08
Jul 15, 2020
Auxiliary request during Opposition procedure - 09
Jul 15, 2020
Auxiliary request during Opposition procedure - 10
Jul 15, 2020
Letter accompanying subsequently filed items
Jul 15, 2020
Oral proceedings: reply to date proposed
Jul 15, 2020
Written submission in preparation to/during oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 10, 2020
Brief communication - Opposition proceedings
Jul 6, 2020
Request for interpreters during oral proceedings
Nov 21, 2019
Advice of delivery
Nov 21, 2019
Advice of delivery
Nov 14, 2019
Annex to the communication - opposition
Nov 14, 2019
Information concerning oral proceedings
Nov 14, 2019
Summons to attend oral proceedings
Nov 14, 2019
Summons to attend oral proceedings
Sep 5, 2019
Brief communication - Opposition proceedings
Aug 30, 2019
Letter regarding the opposition procedure (no time limit)
Aug 30, 2019
Non-patent literature cited during the opposition procedure
Jun 3, 2019
Brief communication - Opposition proceedings
May 27, 2019
(Electronic) Receipt
May 27, 2019
Amended claims with annotations
May 27, 2019
Amended claims with annotations
May 27, 2019
Claims
May 27, 2019
Claims
May 27, 2019
Letter accompanying subsequently filed items
May 27, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 21, 2019
Brief communication - Opposition proceedings
May 21, 2019
Rejection of request for extension of time limit
May 15, 2019
(Electronic) Receipt
May 15, 2019
Request for extension of time limit
Feb 28, 2019
Brief communication - Opposition proceedings
Feb 27, 2019
Communication of amended entries concerning the representative
Feb 18, 2019
(Electronic) Receipt
Feb 18, 2019
Submission concerning change of applicant's representative
Jan 17, 2019
Brief communication - Opposition proceedings
Jan 17, 2019
Communication of a notice of opposition and request to file observations
Jan 17, 2019
Notice of further oppositions to opponent(s)
Jan 9, 2019
Letter regarding the opposition procedure (no time limit)
Jan 9, 2019
Non-patent literature cited during the opposition procedure
Dec 3, 2018
Brief communication - Opposition proceedings
Nov 28, 2018
Letter regarding the opposition procedure (no time limit)
Nov 23, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Communication of a notice of opposition - first information to patent proprietor
Nov 23, 2018
Request for documents
Nov 19, 2018
(Electronic) Receipt
Nov 19, 2018
Notice of opposition
Nov 19, 2018
Notice of opposition
Nov 19, 2018
Patent document cited during the examination procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Nov 19, 2018
Patent document cited during the opposition procedure
Mar 19, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 8, 2018
Decision to grant a European patent
Feb 2, 2018
Brief communication to applicant/representative (Legal Division)
Feb 2, 2018
Brief communication to applicant/representative (Legal Division)
Jan 31, 2018
Communication of the registration of a transfer or change of name and/or address
Jan 30, 2018
Bibliographic data of the European patent application
Jan 22, 2018
(Electronic) Receipt
Jan 22, 2018
English translation of the claims
Jan 22, 2018
French translation of claims
Jan 22, 2018
Letter accompanying subsequently filed items
Jan 22, 2018
Submission concerning change of applicant's address
Oct 10, 2017
Bibliographic data of the European patent application
Oct 10, 2017
Communication about intention to grant a European patent
Oct 10, 2017
Intention to grant (signatures)
Oct 10, 2017
Text intended for grant (clean copy)
Oct 10, 2017
Text intended for grant (version for approval)
Sep 11, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Aug 16, 2017
Description
Aug 16, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Aug 11, 2017
Description
Aug 11, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 26, 2017
Bibliographic data of the European patent application
Jun 26, 2017
Communication about intention to grant a European patent
Jun 26, 2017
Intention to grant (signatures)
Jun 26, 2017
Text intended for grant (clean copy)
Jun 26, 2017
Text intended for grant (version for approval)
May 31, 2017
Annex to a communication
May 31, 2017
Annex to the communication
May 31, 2017
Consultation by telephone/in person
May 31, 2017
Result of consultation by telephone/in person
Jun 6, 2016
Response to enquiry for communication from the Examining Division
Jun 1, 2016
Enquiry as to when a communication from the Examining Division can be expected
May 28, 2014
Amended claims with annotations
May 28, 2014
Amended description with annotations
May 28, 2014
Claims
May 28, 2014
Description
May 28, 2014
Reply to communication from the Examining Division
May 27, 2014
Amended claims with annotations
May 27, 2014
Amended description with annotations
May 27, 2014
Claims
May 27, 2014
Description
May 27, 2014
Reply to communication from the Examining Division
Mar 27, 2014
Grant of extension of time limit (examination procedure)
Mar 24, 2014
Request for extension of time limit to communication from the Examining Division
Feb 12, 2014
Designation of inventor
Feb 12, 2014
Letter concerning the inventor
Feb 7, 2014
Communication to designated inventor
Feb 3, 2014
Designation of inventor
Feb 3, 2014
Letter concerning the inventor
Nov 20, 2013
Annex to the communication
Nov 20, 2013
Communication from the Examining Division
Nov 8, 2013
Examination started
Oct 28, 2013
Enquiry as to when a communication from the Examining Division can be expected
Nov 12, 2012
Response to enquiry for communication from the Examining Division
Nov 10, 2012
Enquiry as to when a communication from the Examining Division can be expected
Nov 7, 2012
Enquiry as to when a communication from the Examining Division can be expected
Apr 29, 2011
Amendments received before examination
Apr 21, 2011
Amendments received before examination
Mar 30, 2011
Notification on forthcoming publication of bibliographic data
Mar 25, 2011
Communication concerning correction of deficiences in Written Opinion/amendment of application/payment of claims fee
Dec 30, 2010
Copy of the international preliminary report on patentability
Dec 2, 2010
(Electronic) Receipt
Dec 2, 2010
Request for entry into the European phase
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Nov 30, 2010
Notification of the recording of a change
Oct 22, 2010
Information on entry into European phase
Jan 6, 2010
Priority document (electronically transmitted)
Jan 6, 2010
Priority document (electronically transmitted)
Dec 17, 2009
Copy of the international search report
Dec 17, 2009
Copy of the international search report
Dec 17, 2009
Published international application - A1
Oct 1, 2009
Written opinion of the ISA, boxes No. I to VIII
Oct 1, 2009
Written opinion of the ISA, cover sheet
Oct 1, 2009
Written opinion of the ISA, supplemental box
Jun 10, 2009
(Electronic) Receipt
Jun 10, 2009
Abstract
Jun 10, 2009
Claims
Jun 10, 2009
Description
Jun 10, 2009
Drawings

EP2313637

MANNHUMMEL

Application Number: EP09761728A
Filing Date: Jun 10, 2009
Status: Patent Maintained As Amended; Jul 18, 2025
Publication Date: Aug 20, 2025
External Links: Slate, Register , Google Patents

IP Verse

Filter Unit For Filtering Gaseous Fluids

Patent Summary

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Dossier Documents

EP2313637